ISO 21809-4:2026Published

Oil and gas industries including lower carbon energy — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 4: Polyethylene coatings (2-layer PE)

Industries du pétrole et du gaz, y compris les énergies à faible teneur en carbone — Revêtements externes des conduites enterrées ou immergées utilisées dans les systèmes de transport par conduites — Partie 4: Revêtements à base de polyéthylène (PE bicouche)

Abstract / scope

This document specifies the requirements for qualification, application, inspection, testing, handling and storage of materials for plant application of two-layer polyethylene coatings (2-layer PE) applied externally for the corrosion protection of bare steel pipe for use in pipeline transportation systems for oil and gas industries as defined in ISO 13623.

NOTE Pipes coated in accordance with this document are considered suitable for additional protection by means of cathodic protection.

Life cycle

Replaces

ISO 21809-4:2009WithdrawnPetroleum and natural gas industries — External coatings for buried or submerged pipelines used in pipeline transportation systems — Part 4: Polyethylene coatings (2-layer PE)International Standard · Published 5 Nov 2009 · ISO/TC 67/SC 2